Supports PCIe Power Supply, 4x High Speed USB Ports. Designed for Raspberry Pi Compute Module 4 IO Board
Flexible power supply options: powered from either PCIe 12V, OR from 12V DC header
Onboard VL805 chip, driver free, plug and play
When used with PC mother board, you'd better connect it through a PCIe extension cable
Extending The PCIe Interface To 4x High Speed USB 3.2 Gen1 Ports. No More Sluggish USB 2.0, No More USB Port Shortage